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Summary of Contents for SCHUNK GWB Series
- Page 1 Translation of the original manual Assembly and Operating Manual 2-finger angular gripper...
- Page 2 Imprint Copyright: This manual is protected by copyright. The author is SCHUNK GmbH & Co. KG. All rights reserved. Any reproduction, processing, distribution (making available to third parties), translation or other usage - even excerpts - of the manual is especially prohibited and requires our written approval.
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Page 3: Table Of Contents
Table of Contents Table of Contents General........................ 5 About this manual .................... 5 1.1.1 Presentation of Warning Labels ............... 5 1.1.2 Applicable documents ................ 6 1.1.3 Sizes ...................... 6 1.1.4 Variants..................... 6 Warranty ...................... 6 Scope of delivery .................... 7 1.3.1 Accessory pack.................. 7 Accessories ...................... 8 1.4.1 Sensors ..................... 8 1.4.2 Sealing kit .................... 8 Basic safety notes .................... - Page 4 Table of Contents Assembly ........................ 20 Connections...................... 20 4.1.1 Mechanical connection................ 20 4.1.2 Pneumatic connection................ 23 Opening angle limitation .................. 25 Mounting the sensor .................. 26 4.3.1 Overview of sensors ................ 26 4.3.2 Mounting inductive proximity switch IN 40 ........... 27 4.3.3 Mounting inductive proximity switch IN 80 ........... 28 Top jaws......................
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Page 5: General
General 1 General 1.1 About this manual This manual contains important information for a safe and appropriate use of the product. This manual is an integral part of the product and must be kept accessible for the personnel at all times. Before starting work, the personnel must have read and understood this operating manual. -
Page 6: Applicable Documents
• Catalog data sheet of the purchased product * • Assembly and operating manuals of the accessories * The documents marked with an asterisk (*) can be downloaded on our homepage schunk.com 1.1.3 Sizes This operating manual applies to the following sizes: •... -
Page 7: Scope Of Delivery
General 1.3 Scope of delivery The scope of delivery includes • 2-finger angular gripper GWB in the version ordered • Assembly and Operating Manual • Accessory pack 1.3.1 Accessory pack Content of the accessories pack: Assembly drawing 39]. ID.-No. of the accessory pack Accessory pack for ID number GWB 34... -
Page 8: Accessories
Overview of the compatible sensors Designation Type Inductive proximity switches • Exact type designation of the compatible sensors see catalog. • Information on handling sensors is available at schunk.com or from SCHUNK contact persons. 1.4.2 Sealing kit Contents of the sealing kit, Assembly drawing 39]. -
Page 9: Basic Safety Notes
Use of unauthorized spare parts Using unauthorized spare parts can endanger personnel and damage the product or cause it to malfunction. • Use only original spare parts or spares authorized by SCHUNK. 02.00 | GWB | Assembly and Operating Manual | en | 389122... -
Page 10: Gripper Fingers
Basic safety notes 2.5 Gripper fingers Requirements for the gripper fingers Stored energy within the product creates the risk of serious injuries and significant property damage. • Arrange the gripper fingers in a way that the product reaches either the position "open" or "closed" in a de-energized state. •... -
Page 11: Personnel Qualification
Basic safety notes 2.7 Personnel qualification Inadequate qualifications of the personnel If the personnel working with the product is not sufficiently qualified, the result may be serious injuries and significant property damage. • All work may only be performed by qualified personnel. •... -
Page 12: Personal Protective Equipment
Basic safety notes 2.8 Personal protective equipment Use of personal protective equipment Personal protective equipment serves to protect staff against danger which may interfere with their health or safety at work. • When working on and with the product, observe the occupational health and safety regulations and wear the required personal protective equipment. -
Page 13: Transport
Basic safety notes 2.10 Transport Handling during transport Incorrect handling during transport may impair the product's safety and cause serious injuries and considerable material damage. • When handling heavy weights, use lifting equipment to lift the product and transport it by appropriate means. •... -
Page 14: Protection During Handling And Assembly
Basic safety notes 2.13.1 Protection during handling and assembly Incorrect handling and assembly Incorrect handling and assembly may impair the product's safety and cause serious injuries and considerable material damage. • Have all work carried out by appropriately qualified personnel. •... -
Page 15: Protection Against Dangerous Movements
Basic safety notes 2.13.3 Protection against dangerous movements Unexpected movements Residual energy in the system may cause serious injuries while working with the product. • Switch off the energy supply, ensure that no residual energy remains and secure against inadvertent reactivation. •... -
Page 16: Notes On Particular Risks
Basic safety notes 2.14 Notes on particular risks DANGER Risk of fatal injury from suspended loads! Falling loads can cause serious injuries and even death. Stand clear of suspended loads and do not step within their • swiveling range. Never move loads without supervision. •... - Page 17 Secure the end positions of the product with SCHUNK SDV-P • pressure maintenance valves. 02.00 | GWB | Assembly and Operating Manual | en | 389122...
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Page 18: Technical Data
Technical Data 3 Technical Data Designation Opening angle per jaw [°] 90.0 About rake angle per jaw up to [°] Closing torque [Nm] 2.112 8.19 15.08 27.45 Ensured by spring closing torque [Nm] 10.5 31.8 Weight [kg] 0.14 0.34 0.56 0.85 Recommended workpiece weight [kg] Air consumption per double stroke [cm3]... -
Page 19: Gwb 100 Gripping Force Diagram
Technical Data 3.1 GWB 100 gripping force diagram GWB 100 gripping force diagram 3.2 Max. permissible forces and moments on the claw jaws / max. finger length of the GWB 100 GWB 100 02.00 | GWB | Assembly and Operating Manual | en | 389122... -
Page 20: Assembly
Assembly 4 Assembly 4.1 Connections 4.1.1 Mechanical connection WARNING Risk of injury when the machine/system moves unexpectedly! Switch off power supply. The values apply to the whole mounting surface to which the Evenness of the product is mounted. mounting surface Requirements for evenness of the mounting surface (Dimensions in mm) Edge length Permissible unevenness... - Page 21 Assembly Mounting Zu / Closed Mounting and centering of the GWB 34 - 80 Item Designation GWB34 GWB44 GWB54 GWB64 GWB80 Screw 4x M4 4x M4 4x M5 4x M6 4x M6 Cylindrical pin 2 x DIN EN ISO 8734 (accessory pack) Centering Ø...
- Page 22 Assembly 2 x Ø8.6 32g6 Mounting and centering the GWB 100 Item GWB100 4x DIN EN ISO 8734 - Ø 8m6 x 20 M5 for hose connection 4x DIN EN ISO 4762 - M8 x 65 4x M10 screw - 15 mm depth of engagement 2x DIN EN ISO 8734 - Ø...
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Page 23: Pneumatic Connection
Assembly 4.1.2 Pneumatic connection CAUTION Damage to the gripper is possible! If the maximum permissible finger weight or the permissible mass moment of inertia of the fingers is exceeded, the gripper can be damaged. A jaw movement always has to be without jerks and bounce. •... - Page 24 Assembly Double check valve Adapter Closed Open Gripper O-ring Gripper Pneumatic connection GWB 34-80 Double check valve Gripper closed Gripper Gripper open Pneumatic connection GWB 100 • Open only the air connections that are needed. • Close unused main air connections using the screw plugs from the enclosed pack.
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Page 25: Opening Angle Limitation
Assembly 4.2 Opening angle limitation Set the desired opening angle using the adjustment screw (3). GWB 34 - 80: Adjustment range: 10° - 90°. Secure the adjustmenrt screw with the lock nut after making the setting. To do so, remove the stop bar and bring the gripper into the open 90°... -
Page 26: Mounting The Sensor
– The assembly and operating manual and catalog datasheet are included in the scope of delivery for the sensors and are available at schunk.com. • Information on handling sensors is available at schunk.com or from SCHUNK contact persons. 4.3.1 Overview of sensors... -
Page 27: Mounting Inductive Proximity Switch In 40
4.3.2 Mounting inductive proximity switch IN 40 Mounting kit To use the inductive sensor, the gripper has to be retrofitted with a special mounting kit. This mounting kit is available from SCHUNK for the models below. Position "Gripper open": Move gripper to the "Gripper open" position. -
Page 28: Mounting Inductive Proximity Switch In 80
Assembly 4.3.3 Mounting inductive proximity switch IN 80 Position "Gripper open": Move the product to the "Gripper open" position. Ø Secure bracket (3) to the product with screws (2). Ø Carefully push sensor 1 (1) into the bracket (3) until it touches Ø... -
Page 29: Top Jaws
Assembly 4.4 Top jaws Mounting of jaws: The top jaws can be fastened to the gripper fingers optionally from the inside or outside. Example of how to design a top jaw Centering for gripper finger Groove for cylindrical pin Thread for cylindrical screw Table of dimensions Type GWB 34... - Page 30 Assembly Type Max. finger length Nominal gripping force L in mm Lo in mm Po in mm GWB 34 GWB 44 GWB 54 GWB 64 GWB 80 02.00 | GWB | Assembly and Operating Manual | en | 389122...
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Page 31: Troubleshooting
Close unused air connections. Flow control valve closed. Open the flow control valve. Component part defective. Replace component or send it to SCHUNK for repair. The aperture angle is limited to 0°. Check opening angle limitation. 5.2 Module opens or closes abruptly? -
Page 32: Opening Angle Not Correct
Troubleshooting 5.4 Opening angle not correct? Possible cause Corrective action The aperture angle is limited to 0°. Check opening angle limitation. Pressure drops below minimum. Check air supply. Pneumatic connection 23] 5.5 Gripper opens or closes too slowly? Possible cause Corrective action One-way flow control valve is missing or Install and adjust one-way flow control... -
Page 33: Maintenance
Maintenance 6 Maintenance 6.1 Notes Original spare parts Use only original spare parts of SCHUNK when replacing spare and wear parts. 6.2 Maintenance and lubrication intervals CAUTION Material damage due to hardening lubricants! Lubricants harden more quickly at temperatures above 60°C, leading to possible product damage. -
Page 34: Disassembly And Assembly
Maintenance 6.4 Disassembly and assembly 6.4.1 Disassembling the GWB 34 - 80 module Position of the item numbers Assembly drawing 39] WARNING Risk of injury due to unexpected movements! If the power supply is switched on or residual energy remains in the system, components can move unexpectedly and cause serious injuries. - Page 35 Maintenance WARNING The parts are under spring tension. Clamp the parts between "b" and "c" before taking them apart. Then unclamp them carefully! Remove the cylinder piston (6) and the springs (31). Ø Pull out the guide bushing (4). Ø Unscrew the set-screws (20) from the gripper fingers (3).
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Page 36: Disassembling The Gwb 100 Module
Maintenance 6.4.2 Disassembling the GWB 100 module Position of the item numbers Assembly drawing 39] WARNING Risk of injury due to unexpected movements! If the power supply is switched on or residual energy remains in the system, components can move unexpectedly and cause serious injuries. - Page 37 Maintenance WARNING In the event of a defect, the safety ring (25) and the cover (2) may be under spring tension (F = 500 N). Clamp the gripper between position "a" and "b" in a vice in such a manner that the cover (2) is also clamped prior to the disassembly.
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Page 38: Servicing And Assembling The Module
Maintenance 6.5 Servicing and assembling the module Position of the item numbers Assembly drawing 39] WARNING Risk of injury due to spring forces! The cover is under spring tension. Carefully disassemble the product. • • Clean all parts thoroughly and check for damage and wear. Maintenance •... -
Page 39: Assembly Drawing
Maintenance 6.5.1 Screw tightening torques Position of the item numbers Assembly drawing 39] Item GWB 34 GWB 44 GWB 54 GWB 64 GWB 80 GWB 100 6.6 Assembly drawing The following figures are example images. They serve for illustration and assignment of the spare parts. Variations are possible depending on size and variant. -
Page 40: Gwb 100 Assembly
Maintenance 6.6.2 GWB 100 assembly GWB 100 assembly Wearing part, replace during maintenance. Included in the seal kit. Seal kit can only be ordered completely. 02.00 | GWB | Assembly and Operating Manual | en | 389122... -
Page 41: Translation Of Original Declaration Of Incorporation
7 Translation of original declaration of incorporation in terms of the Directive 2006/42/EG, Annex II, Part 1.B of the European Parliament and of the Council on machinery. Manufacturer/ SCHUNK GmbH & Co. KG Spann- und Greiftechnik Distributor Bahnhofstr. 106 – 134 D-74348 Lauffen/Neckar... -
Page 42: Annex To Declaration Of Incorporation
Annex to Declaration of Incorporation 8 Annex to Declaration of Incorporation according 2006/42/EG, Annex II, No. 1 B 1.Description of the essential health and safety requirements pursuant to 2006/42/EC, Annex I that are applicable and that have been fulfilled with: Product designation 2-finger angular gripper Type designation ID number... - Page 43 Annex to Declaration of Incorporation Protection against mechanical hazards 1.3.5 Risks related to combined machinery 1.3.6 Risks related to variations in operating conditions 1.3.7 Risks related to moving parts 1.3.8 Choice of protection against risks arising from moving parts 1.3.8.1 Moving transmission parts 1.3.8.2 Moving parts involved in the process...
- Page 44 Annex to Declaration of Incorporation Information 1.7.1 Information and warnings on the machinery 1.7.1.1 Information and information devices 1.7.1.2 Warning devices 1.7.2 Warning of residual risks 1.7.3 Marking of machinery 1.7.4 Instructions 1.7.4.1 General principles for the drafting of instructions 1.7.4.2 Contents of the instructions 1.7.4.3...
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